Wall plug



FIG. 1 is a front elevational view of the wall plug;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a top view thereof;

FIG. 4 is a bottom view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a right side elevational view thereof;

FIG. 7 is a front, left, bottom perspective view thereof; and,

FIG. 8 is a rear, right, top perspective view thereof.

The broken lines in the drawings are for illustrative purposes only and form no part of the claimed design. 

We claim the ornamental design for a wall plug, as shown and described. 